Name: Non-indigenous (NIS) and cryptogenic species in European regional seas and adjacent areas
License: To the extent possible under law, the publisher has waived all rights to these data and has dedicated them to the Public Domain (CC0 1.0)

The dataset includes 3305 georeferenced points/records. The data records were gathered using three types: digitatalization, exact occurences and expert judgement. The georeferenced data was extracted from the scientific publications and specialized databases (AquaNIS, ICES and Google scholar).

Citation

AquaNIS. Editorial Board, 2020. Information system on Aquatic Non-Indigenous and Cryptogenic Species. World Wide Web electronic publication. www.corpi.ku.lt/databases/aquanis. Version 2.36+. Accessed 2020-09-09

Published

September 17, 2025 at 09:34

First registration

December 10, 2020 at 02:59

License

To the extent possible under law, the publisher has waived all rights to these data and has dedicated them to the Public Domain (CC0 1.0)

URL

http://ipt.vliz.be/eurobis/resource?r=non_indigenous_and_cryptogenic_species

Archive

https://ipt.vliz.be/eurobis/archive.do?r=non_indigenous_and_cryptogenic_species

Contacts

Greta Srėbalienė
Klaipeda University; Marine research institute

Sergej Olenin
Klaipeda University; Marine research institute

Flanders Marine Institute (VLIZ)
Flanders Marine Institute (VLIZ)

3,306

total submitted occurrences

3,295

accepted occurrences

measurements and facts

taxa

species

Taxa

Missing and invalid fields

Field	Missing
coordinateUncertaintyInMeters	3,306	100.0%
maximumDepthInMeters	3,306	100.0%
minimumDepthInMeters	3,306	100.0%

Quality flags

The OBIS data quality flags are documented at https://github.com/iobis/obis-qc.

Flag	Records
NO_DEPTH	3,306	100.0%
ON_LAND	86	2.6%
NOT_MARINE	11	0.3%
NO_ACCEPTED_NAME	4	0.1%

Non-indigenous (NIS) and cryptogenic species in European regional seas and adjacent areas

Taxa

Missing and invalid fields

Quality flags

Measurement types

DNA derived data